Massac County
- Brookport vicinity, Ohio River Lock & Dam 52 (HAER IL-1207)
- Brookport vicinity, Ohio River Lock & Dam 52 (photos)
- Brookport vicinity, Ohio River Lock & Dam 52, Garage/Warehouse (HAER IL-1207-D)
- Brookport vicinity, Ohio River Lock & Dam 52, Lockkeeper’s Cottages (HAER IL-1207-C)
- Brookport vicinity, Ohio River Lock & Dam 52, Lockkeeper’s Houses (HAER IL-1207-B)
- Brookport vicinity, Ohio River Lock & Dam 52, Oil House (HAER IL-1207-E)
- Brookport vicinity, Ohio River Lock & Dam 52, Power House (HAER IL-1207-A)
- Brookport vicinity, Ohio River Lock & Dam 52 (Last of the Old Wicket Dams: A History of Ohio River Locks and Dams 52 and 53, 1928-2018)
- Brookport vicinity, Ohio River Lock & Dam 52 (Ohio River Locks and Dams 52 and 53: Oral History Collection)
- Metropolis, Elijah P. Curtis House, 405 Market Street (letter of agreement, EXPIRED)